Simple past tense and past participle of canker.(verb)
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Use "cankered" in a sentence
"All candidates in Chicago's mayoral race have one thing in common: Like millions of afflicted Chicago residents, they're all breathing the same cankered air from the city's two infamous Model-T-era coal-fired plants."
"All candidates in Chicago's mayoral race have one thing in common: Like millions of afflicted Chicago residents, they're all breathing the same cankered air from ..."
"For we who are about to die, we saw a shape in war, a blind, castrated wreck with cankered mind in flail of fury, saw it lamed,"